Examples of org.apache.xalan.xsltc.dom.SAXImpl

org.apache.xalan.xsltc.dom.SAXImpl
SAXImpl is the core model for SAX input source. SAXImpl objects are usually created from an XSLTCDTMManager.
DOMSource inputs are handled using DOM2SAX + SAXImpl. SAXImpl has a few specific fields (e.g. _node2Ids, _document) to keep DOM-related information. They are used when the processing behavior between DOM and SAX has to be different. Examples of these include id function and unparsed entity.
SAXImpl extends SAX2DTM2 instead of SAX2DTM for better performance. @author Jacek Ambroziak @author Santiago Pericas-Geertsen @author Morten Jorgensen @author Douglas Sellers

     * The index contains the element node index (int) and Id value (String).
     */
    private final void buildIDIndex(DOM document) {
        
        if (document instanceof SAXImpl) {
            SAXImpl saxImpl = (SAXImpl)document;
            
            // If the input source is DOMSource, the KeyIndex table is not
            // built at this time. It will be built later by the lookupId()
            // and containsId() methods of the KeyIndex class.
            if (saxImpl.hasDOMSource()) {
                buildKeyIndex(ID_INDEX_NAME, document);
                return;
            }
            else {
                final Hashtable elementsByID = saxImpl.getElementsWithIDs();


                if (elementsByID == null) {
                  return;
                }

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      final XMLReader reader = parser.getXMLReader();


      // Set the DOM's DOM builder as the XMLReader's SAX2 content handler
            XSLTCDTMManager dtmManager = XSLTCDTMManager.newInstance();


            final SAXImpl dom = (SAXImpl)dtmManager.getDTM(
                             new SAXSource(reader, new InputSource(_fileName)),
                             false, null, true, false, translet.hasIdCall());


      dom.setDocumentURI(_fileName);
            translet.prepassDocument(dom);


      // Pass global parameters
      int n = _params.size();
      for (int i = 0; i < n; i++) {

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     * Internal interface which returns a DOM for a given DTMManager and translet.
     */
    protected DOM getDOM(XSLTCDTMManager dtmManager, AbstractTranslet translet)
        throws SAXException
    {
        SAXImpl idom = (SAXImpl)_dom.get();
                
        if (idom != null) {
            if (dtmManager != null) {
                idom.migrateTo(dtmManager);
            }
        }
        else {
            Source source = _source;
            if (source == null) {
                if (_systemId != null && _systemId.length() > 0) {
                    source = new StreamSource(_systemId);
                }
                else {
                    ErrorMsg err = new ErrorMsg(ErrorMsg.XSLTC_SOURCE_ERR);
                    throw new SAXException(err.toString());
                }
            }
            
            DOMWSFilter wsfilter = null;
            if (translet != null && translet instanceof StripFilter) {
                wsfilter = new DOMWSFilter(translet);
            }
                
            boolean hasIdCall = (translet != null) ? translet.hasIdCall() : false;
            
            if (dtmManager == null) {
                dtmManager = XSLTCDTMManager.newInstance();
            }
            
            idom = (SAXImpl)dtmManager.getDTM(source, true, wsfilter, false, false, hasIdCall);
            
            String systemId = getSystemId();
            if (systemId != null) {
                idom.setDocumentURI(systemId);
            }
            _dom.set(idom);
        }
        return idom;
    }

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